Phelps Dodge's copper business is conducted through the company's Phelps Dodge Mining Comp any subsidiary, which also produces silver, gold, and other minerals as a byproduct of its copper operations. T he manufacturing businesses include Columbian Chemicals Company, one of the world's largest producers of carbon black (used in inks and ti res); Phelps Dodge Wire & Cable; and Phelps Dodge High Performanc e Conductors, which manufactures specialty conductors used by the aut omotive, computer, and aerospace industries..

From the period of the Spanish–American War (1898) and the Philippine–American War (1899–1902) until the Commonwealth period (1935–46), American colonial authorities referred to the country as the Philippine Islands, a translation of the Spanish name..